80072580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190649}}^1$

素因数の和:190668

約数の個数: 48

約数和(自身を含む): 256233600

約数和(自身を除く): 176161020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190649, 381298, 571947, 762596, 953245, 1143894, 1334543, 1906490, 2287788, 2669086, 2859735, 3812980, 4003629, 5338172, 5719470, 6672715, 8007258, 11438940, 13345430, 16014516, 20018145, 26690860, 40036290, 80072580]

約数ペア:

[(1, 80072580), (2, 40036290), (3, 26690860), (4, 20018145), (5, 16014516), (6, 13345430), (7, 11438940), (10, 8007258), (12, 6672715), (14, 5719470), (15, 5338172), (20, 4003629), (21, 3812980), (28, 2859735), (30, 2669086), (35, 2287788), (42, 1906490), (60, 1334543), (70, 1143894), (84, 953245), (105, 762596), (140, 571947), (210, 381298), (420, 190649)]